product: pro/1000 mt dualport server conn: 2 x rj-45 ieee std/ntwk topology: 10base-t, 100base-tx, 1000base-t wiring: cat-5, 4-pair data rate(s) supp per port: 10, 100 and 1,000-mbps bus type: pci/pci-x bus width: 32- or 64-bit bus speed: 33/66/100/133 mhz onboard mem: 128 kb interrupt levels: inta ieee supp: 802.3ab hardware certifications: fcc a, ce data transfer mode: bus-master dma controller-proc: intel 82546 * backward compat with previous reduces supp costs & simplifies inst & generations of intel pro/1000 ntwk adapt * full-height & low-profile, screw-on brackets inc with each adapter * delivers increased performance while significantly reducing cpu utilization